prov:value
| - No. 09/121,713 filed Jul. 24, 1998 pending, as well as co-pending PCT patent application PCT/US98/02566 filed Feb. 10, 1998, can also be used in well servicing operations such as completion operations, workover operations, sand control operations, frac pack operations, and the like, including use of the fluids as spotting fluids to release pipes and tools stuck in the filter cake on the sides of a
|